Steps to reproduce
- Type some texts using iOS default IME
- After select the texts, immediately press return
Expected result
Only one empty line created.
Actual result
Two empty lines were created.
Environment
- Operating system: iOS 15.2
- Debug info: Just the default vault without any themes or 3rd plugins.
Additional information
To repro the issue, you need to select the texts and immediately tap return:

If you tap a little bit slower, every thing works fine:
